[c-nsp] LNS Alternatives

[raf]

Basically linux have no support for VRF (until very recently very 
limited support on new kernel).

So if you want to park your subscriber into VRFs I think the best is to 
have one or two instance of linux by vrf.

With virtualization it can be easily achieved but result in a much more 
complex (or biggest) infrastructure.

Regards,


Le 23/05/2016 à 11:51, CiscoNSP List a écrit :
> Cheers Raphael - Wasnt aware of the vrf complexities.....this would hurt us significantly, as 70-80% of our DSL tails are in vrf's
>
> ________________________________________
> From: cisco-nsp <cisco-nsp-bounces at puck.nether.net> on behalf of raf <raph at futomaki.net>
> Sent: Monday, 23 May 2016 7:39 PM
> To: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] LNS Alternatives
>
> I would also recommend to have a look at openl2tp.
>
> Software LNS are a good solution if you only need basic features. If you
> want to separate user in vrf/context it was a bit more complicated, as
> you have to dedicate instance by vrf. but nothing impossible.
> So the choice is as always, a relative expensive, but good hardware
> platform, or a home solution which need much more engineering.
>
> Or you can mix the two approach, I got a friend who handle 10K of
> subscribers using a cluster of X c890 if I remember correctly.
>
> Regards,
>
> --
> Raphael Mazelier
>
>
> Le 22/05/2016 à 03:52, Patrick Cole a écrit :
>> I have used l2tpns in a cluster successfully in the past for this.
>> It's capable of doing 65k sessions per cluster if you throw enough
>> nodes at it.
>>
>> The codebase is fairly stable and has been around for a long time
>> but isn't really maintained anymore.
>>
>> We recently moved to the ASR1k platform for BRAS and had similar
>> gripes over the licensing prices, but just so you know the licenses
>> are honesty based on the ASR1k, the box will run at any license
>> level once you accept the EULA, but don't expect TAC to be jumping
>> to support you when your unlicensed features don't work.
>>
>> We ended up talking direct to a local Cisco rep and they were able
>> to get us fully licensed boxes for the right price point.
>>
>> Regards,
>>
>> Patrick
>>
>>
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